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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Harahan, Louisiana, is another mild winter month, with an average temperature fluctuating between 47.7°F (8.7°C) and 60.3°F (15.7°C). January is the coldest month of the year, registering average temperatures as high as 60.3°F (15.7°C) and as low as 47.7°F (8.7°C). Weather in January »
Weather in February
February, the last month of the winter in Harahan, is a refreshing month, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 64.6°F (18.1°C). The initiation of February records an average high-temperature of a comfortable 64.6°F (18.1°C), displaying a near consistency with the previous month. Weather in February »
Weather in March
The first month of the spring, March, is an agreeable month in Harahan, Louisiana, with an average temperature fluctuating between 57.4°F (14.1°C) and 70.9°F (21.6°C). With the onset of March, Harahan observes a minor temperature ascent, with the average high-temperature adjusting from February's comfortable 64.6°F (18.1°C) to an agreeable 70.9°F (21.6°C). Weather in March »
Weather in April
April is a warm spring month in Harahan, Louisiana, with an average temperature varying between 76.6°F (24.8°C) and 63.3°F (17.4°C). With the onset of April, Harahan's average high-temperature experiences a slight rise, moving from March's agreeable 70.9°F (21.6°C) to a moderately hot 76.6°F (24.8°C). Weather in April »
Weather in May
May, the last month of the spring in Harahan, is also a moderately hot month, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 82.9°F (28.3°C). May introduces a minor temperature shift, with average high-temperatures adjusting from April's 76.6°F (24.8°C) to a still warm 82.9°F (28.3°C). Weather in May »
Weather in June
June, the first month of the summer in Harahan, is a tropical month, with an average temperature fluctuating between 88.2°F (31.2°C) and 76.5°F (24.7°C). Harahan, Louisiana, experiences a recorded average high-temperature of a hot 88.2°F (31.2°C) in June, closely aligned with May's 82.9°F (28.3°C). Weather in June »
Weather in July
July, like June, is another tropical summer month in Harahan, Louisiana, with an average temperature ranging between max 89.2°F (31.8°C) and min 77.7°F (25.4°C). July, marked by an average high-temperature of 89.2°F (31.8°C) and a low-temperature of 77.7°F (25.4°C), is the warmest month. In July, the average heat index is estimated at a scorching 107.6°F (42°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Harahan, Louisiana, with an average temperature fluctuating between 77.9°F (25.5°C) and 88.7°F (31.5°C). Harahan's weather in August displays an average high-temperature of a still tropical 88.7°F (31.5°C), showing minor disparity from July's 89.2°F (31.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Harahan, is still a hot month, with an average temperature varying between 75°F (23.9°C) and 86.5°F (30.3°C). Entering September, the average high-temperature is recorded at a still tropical 86.5°F (30.3°C), exhibiting a minimal shift from August's 88.7°F (31.5°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Harahan, Louisiana, with an average temperature fluctuating between 65.7°F (18.7°C) and 78.6°F (25.9°C). Harahan's progression into October involves a minor drop in the average high-temperature, slightly receding from a hot 86.5°F (30.3°C) in September to a warm 78.6°F (25.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Harahan, is another pleasant month, with an average temperature ranging between max 68.9°F (20.5°C) and min 55.9°F (13.3°C). Harahan observes a minor decrease in the average high-temperature with the arrival of November, falling from October's moderately hot 78.6°F (25.9°C) to an agreeable 68.9°F (20.5°C). Weather in November »
Weather in December
December, the first month of the winter in Harahan, is still a refreshing month, with an average temperature varying between 63.5°F (17.5°C) and 51.6°F (10.9°C). December is characterized by a mild reduction in the average high-temperature, from an agreeable 68.9°F (20.5°C) in November to a comfortable 63.5°F (17.5°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Harahan?
Harahan's January weather, with an average high temperature of 60.3°F (15.7°C) and an average low temperature of 47.7°F (8.7°C), tends to be the coldest of the year.
How many days does it rain in Harahan?
In Harahan, Louisiana, during the entire year, the rain falls for 179.5 days and collects up to 37.4" (950mm) of precipitation.
When does it snow in Harahan?
The only month with snowfall in Harahan, Louisiana, is January.
What is the snowiest month in Harahan?
The month with the most snowfall in Harahan is January, when snow falls for 0.3 days and typically aggregates up to 0.04" (1mm) of snow.
How many days does it snow in Harahan?
In Harahan, during the entire year, snow falls for 0.4 days and aggregates up to 0.04" (1mm) of snow.
What are the months with the lowest UV index in Harahan?
January, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Harahan.
What are the most humid months in Harahan?
The months with the highest humidity are February and December, with an average relative humidity of 78%.
When it does not snow in Harahan?
In Harahan, snow does not fall in February through December.
When is Daylight Saving Time (DST) in Harahan?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the month with the highest UV index in Harahan?
The months with the highest UV index are May through September, with an average maximum UV index of 7.
When are the longest days in Harahan?
June has the longest days of the year in Harahan, with an average of 14h and 0min of daylight.
What month has the most sunshine in Harahan?
June has the most sunshine of the year in Harahan, Louisiana, with an average of 10.9h of sunshine.
What is the warmest month in Harahan?
July, characterized by an average high temperature of 89.2°F (31.8°C) and a low temperature of 77.7°F (25.4°C), is generally the warmest month.
What is the rainiest month in Harahan?
July is the month with the most rainfall in Harahan. Rain falls for 23.7 days and accumulates 5.94" (151mm) of precipitation.
What is the least humid month in Harahan?
October is the least humid month, with an average relative humidity of 72%.
What is the driest month in Harahan?
The month with the least rainfall in Harahan is November, when the rain falls for 8.3 days and typically collects 1.65" (42mm) of precipitation.
What is the month with the shortest days in Harahan?
The month with the shortest days in Harahan is December, with an average of 10h and 18min of daylight.
What is the month with the least sunshine in Harahan?
With an average of 5.1h of sunshine, December has the least sunshine of the year.
Average temperature
Harahan, LA
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.3°F).
The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure
Harahan, LA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed
Harahan, LA
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.2mph - Average wind speed in March:
8.9mph - Average wind speed in April:
9.2mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.3mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.9mph
The windiest months (with the highest average wind speed) are February and April (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity
Harahan, LA
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Harahan, LA
- Average rainfall in January:
1.93" - Average rainfall in February:
2.28" - Average rainfall in March:
1.89" - Average rainfall in April:
2.36" - Average rainfall in May:
3.39" - Average rainfall in June:
3.86"
- Average rainfall in July:
5.94" - Average rainfall in August:
5.35" - Average rainfall in September:
3.19" - Average rainfall in October:
2.68" - Average rainfall in November:
1.65" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is July (5.94").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days
Harahan, LA
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
11.4 days - Average rainfall days in May:
14 days - Average rainfall days in June:
20.2 days
- Average rainfall days in July:
23.7 days - Average rainfall days in August:
24.2 days - Average rainfall days in September:
18.5 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
13.5 days
The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.3 days).
Average snowfall
Harahan, LA
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Harahan, LA
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Harahan, LA
- Average daylight in January:
10h and 3min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
5h and 2min - Average sunshine in March:
7h and 5min - Average sunshine in April:
9h and 4min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
10h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Harahan, LA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
5.3 days - Average sunshine days in August:
5.3 days - Average sunshine days in September:
8.5 days - Average sunshine days in October:
18 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are July and August (5.3 days).
Average UV index
Harahan, LA
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover
Harahan, LA
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility
Harahan, LA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Harahan, Louisiana, USA
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